In the title compound, [Cu(C7H3NO4)(C6H6N4)(H2O)]·H2O, the central CuII ion exhibits a distorted mer-CuN3O3 octa-hedral geometry arising from one water O atom, an N,N-bidentate 2,2′-biimidazole mol-ecule and an N,O,O-tridentate pyridine-2,6-dicarboxyl-ate dianion. The crystal packing is stabilized by O - H⋯O, N - H⋯O and C - H⋯O hydrogen bonds. ©...
